ATI Technologies B12-70 O & M Manual Download Page 1

Page: 1 / 20

Fax: 610-917-0992

Fax: + 44 (0)1457-874-468

O & M Manual

B12-70

2-Wire Wet Acid

Gas Transmitter

Home Office European Office

Analytical Technology, Inc.

ATI (UK) Limited

6 Iron Bridge Drive Unit 1 & 2 Gatehead Business Park

Collegeville, PA 19426 Delph New Road, Delph

Phone: 800-959-0299 Saddleworth OL3 5DE

610-917-0991 Phone: +44 (0)1457-873-318

Fax: 610-917-0992 Fax: + 44 (0)1457-874-468

Email: [email protected] Email: [email protected]
Web: www.Analyticaltechnology.com

Summary of Contents for B12-70

Page 1: ...chnology Inc ATI UK Limited 6 Iron Bridge Drive Unit 1 2 Gatehead Business Park Collegeville PA 19426 Delph New Road Delph Phone 800 959 0299 Saddleworth OL3 5DE 610 917 0991 Phone 44 0 1457 873 318 F...

Page 2: ...INTRODUCTION 4 SPECIFICATIONS 6 INSTALLATION 7 MECHANICAL MOUNTING 7 ELECTRICAL CONNECTION 9 WET ACID GAS SENSOR ASSEMBLY 11 OPERATION 13 TRANSMITTER TEST POINTS 13 DIGITAL DISPLAY OPTION 14 CALIBRAT...

Page 3: ...ion ATI 0223 5 Figure 3 Nema 4X Transmitter Enclosure Dimensions ATI 0198 7 Figure 4 Explosion Proof Transmitter Enclosure Dimensions ATI 0226 8 Figure 5 Wet Acid Gas Sensor Dimensions ATI 0276 8 Figu...

Page 4: ...the transmitter through the Pg 11 cable gland located in one of the enclosure knockouts One cable gland and one conduit hub is supplied for customer installation An optional LCD provides local indicat...

Page 5: ...15 Figure 2 shows a typical flow through B12 70 gas monitoring system The sensor is shown with the low volume flowcell in place If used in insertion applications the low volume flowcell must be remov...

Page 6: ...bility 1 of span Electronic Linearity 0 5 of span Output Loop powered 4 20 mA 675 ohms maximum at 24 VDC Power 12 28 VDC Display None Optional LCD available Enclosure NEMA 4X polystyrene Explosion pro...

Page 7: ...t is to be used for wiring the transmitter the transmitter can be supported directly from the conduit system without the use of mounting screws The transmitter weighs only 4 ounces so normal conduit s...

Page 8: ...into a blind flange which is used to mount to the vent The sensor should be installed perpendicular to the air flow and should be inserted far enough into the vent so that the sensor tip is at least...

Page 9: ...r the sensor wire and a conduit hub for output loop connection The sensor connects to terminal block TB2 on the transmitter circuit board as shown in Figure 6 The output loop wiring is connected to TB...

Page 10: ...Model B12 70 Wet Acid Gas Transmitter O M Manual 10 Release E 7 15 Figure 7 Electrical Connections ATI 0182...

Page 11: ...main in place 3 From the package of membranes supplied with the sensor place a new membrane into the front nut The membrane is the white disk and is separated from other membranes by a blue paper spac...

Page 12: ...peration The membrane should be stretched tightly across the tip of the sensor When handling the assembled sensor do not set the sensor on its tip or damage to the membrane will result Severe impacts...

Page 13: ...l and the system must be allowed to stabilize for at least a few hours before making any adjustments The sensor must be connected to the transmitter and the transmitter must be powered for the sensor...

Page 14: ...ified on the order The LCD indicates gas concentration directly in PPM or depending on the range It is directly in the 4 20 mA output circuit so that it is a very accurate indicator of the signal bein...

Page 15: ...er and connect a DVM to the test points shown in Figure 6 Observe the DVM value to be sure that it is no longer declining and that it is stable 4 mv Use the zero potentiometer Figure 6 to adjust the t...

Page 16: ...e the response at the transmitter without display it is necessary to connect a DVM to the test points indicated in Figure 6 If the transmitter is supplied with the LCD option no DVM is required Place...

Page 17: ...he wet acid gas sensor uses a microporous membrane that can lose sensitivity with the accumulation of solids or precipitates in the membrane As a preventive measure sensors should be rebuilt with new...

Page 18: ...pping screws pkg of 4 for Explosion proof enclosure 44 0017 Pg 16 to NPT conduit hub with nut 44 0018 Seal ring required for NEMA 4X rating on conduit hubs 00 0077 Wet oxidant acid gas sensor 02 0016...

Page 19: ...improper storage or extended exposure to excessive gas concentrations Should inspection indicate that sensors have failed due to any of the above the warranty shall not apply The Manufacturer assumes...

Page 20: ...DUCTS NH3 Ammonia CO Carbon Monoxide H2 Hydrogen NO Nitric Oxide O2 Oxygen CO Cl2 Phosgene Br2 Bromine Cl2 Chlorine ClO2 Chlorine Dioxide F2 Fluorine I2 Iodine HX Acid Gases C2H4O Ethylene Oxide C2H6O...

Search results

Summary of Contents for B12-70

Reviews:

Related manuals for B12-70

Brands by name

Popular brands

ATI Technologies B12-70, O & M Manual

Search results

Summary of Contents for B12-70

Reviews:

Related manuals for B12-70

Brands by name

Popular brands